Replace reinterpret_cast with safer or no cast

When casting types to one another in C++, the weaker the cast,
the better.

This change replaces instances of reinterpret_cast with static_cast
or no cast where it safe and correct to do so.

BUG=angleproject:2683

Change-Id: I99c9033614a65282ae1d78cf0f4b80fabd75877a
Reviewed-on: https://chromium-review.googlesource.com/1109396
Commit-Queue: Rafael Cintron <rafael.cintron@microsoft.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
diff --git a/src/common/MemoryBuffer.cpp b/src/common/MemoryBuffer.cpp
index 6f5188c..3f02124 100644
--- a/src/common/MemoryBuffer.cpp
+++ b/src/common/MemoryBuffer.cpp
@@ -41,7 +41,7 @@
     }
 
     // Only reallocate if the size has changed.
-    uint8_t *newMemory = reinterpret_cast<uint8_t *>(malloc(sizeof(uint8_t) * size));
+    uint8_t *newMemory = static_cast<uint8_t *>(malloc(sizeof(uint8_t) * size));
     if (newMemory == nullptr)
     {
         return false;