"NULL !=" = NULL

R=reed@google.com

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/544233002
diff --git a/src/gpu/GrBufferAllocPool.cpp b/src/gpu/GrBufferAllocPool.cpp
index a197a67..226f451 100644
--- a/src/gpu/GrBufferAllocPool.cpp
+++ b/src/gpu/GrBufferAllocPool.cpp
@@ -42,7 +42,7 @@
                                      int preallocBufferCnt) :
         fBlocks(SkTMax(8, 2*preallocBufferCnt)) {
 
-    SkASSERT(NULL != gpu);
+    SkASSERT(gpu);
     fGpu = gpu;
     fGpu->ref();
     fGpuIsReffed = true;
@@ -58,7 +58,7 @@
     fPreallocBufferStartIdx = 0;
     for (int i = 0; i < preallocBufferCnt; ++i) {
         GrGeometryBuffer* buffer = this->createBuffer(fMinBlockSize);
-        if (NULL != buffer) {
+        if (buffer) {
             *fPreallocBuffers.append() = buffer;
         }
     }
@@ -116,7 +116,7 @@
 void GrBufferAllocPool::unmap() {
     VALIDATE();
 
-    if (NULL != fBufferPtr) {
+    if (fBufferPtr) {
         BufferBlock& block = fBlocks.back();
         if (block.fBuffer->isMapped()) {
             UNMAP_BUFFER(block);
@@ -131,7 +131,7 @@
 
 #ifdef SK_DEBUG
 void GrBufferAllocPool::validate(bool unusedBlockAllowed) const {
-    if (NULL != fBufferPtr) {
+    if (fBufferPtr) {
         SkASSERT(!fBlocks.empty());
         if (fBlocks.back().fBuffer->isMapped()) {
             GrGeometryBuffer* buf = fBlocks.back().fBuffer;
@@ -168,10 +168,10 @@
                                    size_t* offset) {
     VALIDATE();
 
-    SkASSERT(NULL != buffer);
-    SkASSERT(NULL != offset);
+    SkASSERT(buffer);
+    SkASSERT(offset);
 
-    if (NULL != fBufferPtr) {
+    if (fBufferPtr) {
         BufferBlock& back = fBlocks.back();
         size_t usedBytes = back.fBuffer->gpuMemorySize() - back.fBytesFree;
         size_t pad = GrSizeAlignUpPad(usedBytes,
@@ -198,7 +198,7 @@
     if (!createBlock(size)) {
         return NULL;
     }
-    SkASSERT(NULL != fBufferPtr);
+    SkASSERT(fBufferPtr);
 
     *offset = 0;
     BufferBlock& back = fBlocks.back();
@@ -211,7 +211,7 @@
 
 int GrBufferAllocPool::currentBufferItems(size_t itemSize) const {
     VALIDATE();
-    if (NULL != fBufferPtr) {
+    if (fBufferPtr) {
         const BufferBlock& back = fBlocks.back();
         size_t usedBytes = back.fBuffer->gpuMemorySize() - back.fBytesFree;
         size_t pad = GrSizeAlignUpPad(usedBytes, itemSize);
@@ -295,7 +295,7 @@
     }
 
     block.fBytesFree = size;
-    if (NULL != fBufferPtr) {
+    if (fBufferPtr) {
         SkASSERT(fBlocks.count() > 1);
         BufferBlock& prev = fBlocks.fromBack(1);
         if (prev.fBuffer->isMapped()) {
@@ -356,7 +356,7 @@
 
 void GrBufferAllocPool::flushCpuData(const BufferBlock& block, size_t flushSize) {
     GrGeometryBuffer* buffer = block.fBuffer;
-    SkASSERT(NULL != buffer);
+    SkASSERT(buffer);
     SkASSERT(!buffer->isMapped());
     SkASSERT(fCpuData.get() == fBufferPtr);
     SkASSERT(flushSize <= buffer->gpuMemorySize());
@@ -365,7 +365,7 @@
     if (GrDrawTargetCaps::kNone_MapFlags != fGpu->caps()->mapBufferFlags() &&
         flushSize > GR_GEOM_BUFFER_MAP_THRESHOLD) {
         void* data = buffer->map();
-        if (NULL != data) {
+        if (data) {
             memcpy(data, fBufferPtr, flushSize);
             UNMAP_BUFFER(block);
             return;
@@ -403,8 +403,8 @@
                                          int* startVertex) {
 
     SkASSERT(vertexCount >= 0);
-    SkASSERT(NULL != buffer);
-    SkASSERT(NULL != startVertex);
+    SkASSERT(buffer);
+    SkASSERT(startVertex);
 
     size_t offset = 0; // assign to suppress warning
     const GrGeometryBuffer* geomBuffer = NULL; // assign to suppress warning
@@ -425,7 +425,7 @@
                                              const GrVertexBuffer** buffer,
                                              int* startVertex) {
     void* space = makeSpace(vertexSize, vertexCount, buffer, startVertex);
-    if (NULL != space) {
+    if (space) {
         memcpy(space,
                vertices,
                vertexSize * vertexCount);
@@ -461,8 +461,8 @@
                                         int* startIndex) {
 
     SkASSERT(indexCount >= 0);
-    SkASSERT(NULL != buffer);
-    SkASSERT(NULL != startIndex);
+    SkASSERT(buffer);
+    SkASSERT(startIndex);
 
     size_t offset = 0; // assign to suppress warning
     const GrGeometryBuffer* geomBuffer = NULL; // assign to suppress warning
@@ -482,7 +482,7 @@
                                            const GrIndexBuffer** buffer,
                                            int* startIndex) {
     void* space = makeSpace(indexCount, buffer, startIndex);
-    if (NULL != space) {
+    if (space) {
         memcpy(space, indices, sizeof(uint16_t) * indexCount);
         return true;
     } else {