layers:Rename get_my_data_ptr to GetLayerDataPtr

Change utility function get_my_data_ptr() to be named GetLayerDataPtr()
which is more descriptive and capital camel case in-line with coding
standard.
diff --git a/layers/image.cpp b/layers/image.cpp
index 31a28e2..b86f463 100644
--- a/layers/image.cpp
+++ b/layers/image.cpp
@@ -96,7 +96,7 @@
                                                             const VkDebugReportCallbackCreateInfoEXT *pCreateInfo,
                                                             const VkAllocationCallbacks *pAllocator,
                                                             VkDebugReportCallbackEXT *pMsgCallback) {
-    layer_data *my_data = get_my_data_ptr(get_dispatch_key(instance), layer_data_map);
+    layer_data *my_data = GetLayerDataPtr(get_dispatch_key(instance), layer_data_map);
     VkResult res = my_data->instance_dispatch_table->CreateDebugReportCallbackEXT(instance, pCreateInfo, pAllocator, pMsgCallback);
     if (res == VK_SUCCESS) {
         res = layer_create_msg_callback(my_data->report_data, false, pCreateInfo, pAllocator, pMsgCallback);
@@ -106,7 +106,7 @@
 
 VKAPI_ATTR void VKAPI_CALL DestroyDebugReportCallbackEXT(VkInstance instance, VkDebugReportCallbackEXT msgCallback,
                                                          const VkAllocationCallbacks *pAllocator) {
-    layer_data *my_data = get_my_data_ptr(get_dispatch_key(instance), layer_data_map);
+    layer_data *my_data = GetLayerDataPtr(get_dispatch_key(instance), layer_data_map);
     my_data->instance_dispatch_table->DestroyDebugReportCallbackEXT(instance, msgCallback, pAllocator);
     layer_destroy_msg_callback(my_data->report_data, msgCallback, pAllocator);
 }
@@ -114,7 +114,7 @@
 VKAPI_ATTR void VKAPI_CALL DebugReportMessageEXT(VkInstance instance, VkDebugReportFlagsEXT flags,
                                                  VkDebugReportObjectTypeEXT objType, uint64_t object, size_t location,
                                                  int32_t msgCode, const char *pLayerPrefix, const char *pMsg) {
-    layer_data *my_data = get_my_data_ptr(get_dispatch_key(instance), layer_data_map);
+    layer_data *my_data = GetLayerDataPtr(get_dispatch_key(instance), layer_data_map);
     my_data->instance_dispatch_table->DebugReportMessageEXT(instance, flags, objType, object, location, msgCode, pLayerPrefix,
                                                             pMsg);
 }
@@ -136,7 +136,7 @@
     VkResult result = fpCreateInstance(pCreateInfo, pAllocator, pInstance);
     if (result != VK_SUCCESS) return result;
 
-    layer_data *my_data = get_my_data_ptr(get_dispatch_key(*pInstance), layer_data_map);
+    layer_data *my_data = GetLayerDataPtr(get_dispatch_key(*pInstance), layer_data_map);
     my_data->instance = *pInstance;
     my_data->instance_dispatch_table = new VkLayerInstanceDispatchTable;
     layer_init_instance_dispatch_table(*pInstance, my_data->instance_dispatch_table, fpGetInstanceProcAddr);
@@ -151,7 +151,7 @@
 VKAPI_ATTR void VKAPI_CALL DestroyInstance(VkInstance instance, const VkAllocationCallbacks *pAllocator) {
     // Grab the key before the instance is destroyed.
     dispatch_key key = get_dispatch_key(instance);
-    layer_data *my_data = get_my_data_ptr(key, layer_data_map);
+    layer_data *my_data = GetLayerDataPtr(key, layer_data_map);
     VkLayerInstanceDispatchTable *pTable = my_data->instance_dispatch_table;
     pTable->DestroyInstance(instance, pAllocator);
 
@@ -169,7 +169,7 @@
 
 VKAPI_ATTR VkResult VKAPI_CALL CreateDevice(VkPhysicalDevice physicalDevice, const VkDeviceCreateInfo *pCreateInfo,
                                             const VkAllocationCallbacks *pAllocator, VkDevice *pDevice) {
-    layer_data *my_instance_data = get_my_data_ptr(get_dispatch_key(physicalDevice), layer_data_map);
+    layer_data *my_instance_data = GetLayerDataPtr(get_dispatch_key(physicalDevice), layer_data_map);
     VkLayerDeviceCreateInfo *chain_info = get_chain_info(pCreateInfo, VK_LAYER_LINK_INFO);
 
     assert(chain_info->u.pLayerInfo);
@@ -188,7 +188,7 @@
         return result;
     }
 
-    layer_data *my_device_data = get_my_data_ptr(get_dispatch_key(*pDevice), layer_data_map);
+    layer_data *my_device_data = GetLayerDataPtr(get_dispatch_key(*pDevice), layer_data_map);
 
     // Setup device dispatch table
     my_device_data->device_dispatch_table = new VkLayerDispatchTable;
@@ -205,7 +205,7 @@
 
 VKAPI_ATTR void VKAPI_CALL DestroyDevice(VkDevice device, const VkAllocationCallbacks *pAllocator) {
     dispatch_key key = get_dispatch_key(device);
-    layer_data *my_data = get_my_data_ptr(key, layer_data_map);
+    layer_data *my_data = GetLayerDataPtr(key, layer_data_map);
     my_data->device_dispatch_table->DestroyDevice(device, pAllocator);
     delete my_data->device_dispatch_table;
     layer_data_map.erase(key);
@@ -222,7 +222,7 @@
 VKAPI_ATTR VkResult VKAPI_CALL CreateImage(VkDevice device, const VkImageCreateInfo *pCreateInfo,
                                            const VkAllocationCallbacks *pAllocator, VkImage *pImage) {
     VkResult result = VK_ERROR_VALIDATION_FAILED_EXT;
-    layer_data *device_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
+    layer_data *device_data = GetLayerDataPtr(get_dispatch_key(device), layer_data_map);
 
     result = device_data->device_dispatch_table->CreateImage(device, pCreateInfo, pAllocator, pImage);
 
@@ -234,7 +234,7 @@
 }
 
 VKAPI_ATTR void VKAPI_CALL DestroyImage(VkDevice device, VkImage image, const VkAllocationCallbacks *pAllocator) {
-    layer_data *device_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
+    layer_data *device_data = GetLayerDataPtr(get_dispatch_key(device), layer_data_map);
     std::unique_lock<std::mutex> lock(global_lock);
     device_data->imageMap.erase(image);
     lock.unlock();
@@ -320,7 +320,7 @@
 
 VKAPI_ATTR void VKAPI_CALL CmdCopyImageToBuffer(VkCommandBuffer commandBuffer, VkImage srcImage, VkImageLayout srcImageLayout,
                                                 VkBuffer dstBuffer, uint32_t regionCount, const VkBufferImageCopy *pRegions) {
-    layer_data *device_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
+    layer_data *device_data = GetLayerDataPtr(get_dispatch_key(commandBuffer), layer_data_map);
 
     if (!PreCallValidateCmdCopyImageToBuffer(device_data, srcImage, regionCount, pRegions, "vkCmdCopyImageToBuffer()")) {
         device_data->device_dispatch_table->CmdCopyImageToBuffer(commandBuffer, srcImage, srcImageLayout, dstBuffer, regionCount,
@@ -336,7 +336,7 @@
 VKAPI_ATTR void VKAPI_CALL CmdCopyBufferToImage(VkCommandBuffer commandBuffer, VkBuffer srcBuffer, VkImage dstImage,
                                                 VkImageLayout dstImageLayout, uint32_t regionCount,
                                                 const VkBufferImageCopy *pRegions) {
-    layer_data *device_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
+    layer_data *device_data = GetLayerDataPtr(get_dispatch_key(commandBuffer), layer_data_map);
 
     if (!PreCallValidateCmdCopyBufferToImage(device_data, dstImage, regionCount, pRegions, "vkCmdCopyBufferToImage()")) {
         device_data->device_dispatch_table->CmdCopyBufferToImage(commandBuffer, srcBuffer, dstImage, dstImageLayout, regionCount,
@@ -345,7 +345,7 @@
 }
 
 VKAPI_ATTR void VKAPI_CALL GetPhysicalDeviceProperties(VkPhysicalDevice physicalDevice, VkPhysicalDeviceProperties *pProperties) {
-    layer_data *phy_dev_data = get_my_data_ptr(get_dispatch_key(physicalDevice), layer_data_map);
+    layer_data *phy_dev_data = GetLayerDataPtr(get_dispatch_key(physicalDevice), layer_data_map);
     phy_dev_data->instance_dispatch_table->GetPhysicalDeviceProperties(physicalDevice, pProperties);
 }
 
@@ -374,7 +374,7 @@
     assert(physicalDevice);
 
     dispatch_key key = get_dispatch_key(physicalDevice);
-    layer_data *my_data = get_my_data_ptr(key, layer_data_map);
+    layer_data *my_data = GetLayerDataPtr(key, layer_data_map);
     VkLayerInstanceDispatchTable *pTable = my_data->instance_dispatch_table;
     return pTable->EnumerateDeviceExtensionProperties(physicalDevice, NULL, pCount, pProperties);
 }
@@ -388,7 +388,7 @@
 
     assert(device);
 
-    layer_data *my_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
+    layer_data *my_data = GetLayerDataPtr(get_dispatch_key(device), layer_data_map);
 
     VkLayerDispatchTable *pTable = my_data->device_dispatch_table;
     {
@@ -403,7 +403,7 @@
     if (proc) return proc;
 
     assert(instance);
-    layer_data *my_data = get_my_data_ptr(get_dispatch_key(instance), layer_data_map);
+    layer_data *my_data = GetLayerDataPtr(get_dispatch_key(instance), layer_data_map);
 
     proc = debug_report_get_instance_proc_addr(my_data->report_data, funcName);
     if (proc) return proc;
@@ -416,7 +416,7 @@
 VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL GetPhysicalDeviceProcAddr(VkInstance instance, const char *funcName) {
     assert(instance);
 
-    layer_data *my_data = get_my_data_ptr(get_dispatch_key(instance), layer_data_map);
+    layer_data *my_data = GetLayerDataPtr(get_dispatch_key(instance), layer_data_map);
 
     VkLayerInstanceDispatchTable *pTable = my_data->instance_dispatch_table;
     if (pTable->GetPhysicalDeviceProcAddr == NULL) return NULL;