Bug 1317637 - Use auto type specifier where aplicable for variable de…

…clarations to improve code readability and maintainability in gfx/. r=jrmuizel

MozReview-Commit-ID: Dd6426wCbMg

--HG--
extra : rebase_source : 2bf01499dc6ac776004a098108e7ccb874968701

gfx/2d/DrawTargetSkia.cpp

@@ -1225,7 +1225,7 @@ DrawTargetSkia::FillGlyphsWithCG(ScaledFont *aFont,
   }
 
   // Calculate the area of the text we just drew
-  CGRect *bboxes = new CGRect[aBuffer.mNumGlyphs];
+  auto *bboxes = new CGRect[aBuffer.mNumGlyphs];
   CTFontGetBoundingRectsForGlyphs(macFont->mCTFont, kCTFontDefaultOrientation,
                                   glyphs.begin(), bboxes, aBuffer.mNumGlyphs);
   CGRect extents = ComputeGlyphsExtents(bboxes, positions.begin(), aBuffer.mNumGlyphs, 1.0f);

gfx/2d/MacIOSurface.cpp

@@ -460,7 +460,7 @@ MacIOSurface::GetAsSurface() {
   size_t ioHeight = GetDevicePixelHeight();
 
   unsigned char* ioData = (unsigned char*)GetBaseAddress();
-  unsigned char* dataCpy =
+  auto *dataCpy =
       new unsigned char[bytesPerRow * ioHeight / sizeof(unsigned char)];
   for (size_t i = 0; i < ioHeight; i++) {
     memcpy(dataCpy + i * bytesPerRow,

gfx/gl/SkiaGLGlue.cpp

@@ -140,7 +140,7 @@ glGetString_mozilla(GLContext* aContext, GrGLenum aName)
 
 static GrGLInterface* CreateGrGLInterfaceFromGLContext(GLContext* context)
 {
-    GrGLInterface* i = new GrGLInterface();
+    auto *i = new GrGLInterface();
 
     context->MakeCurrent();
 

gfx/layers/ImageContainer.cpp

@@ -587,7 +587,7 @@ NVImage::GetAsSourceSurface()
   // logics in PlanarYCbCrImage::GetAsSourceSurface().
   const int bufferLength = mData.mYSize.height * mData.mYStride +
                            mData.mCbCrSize.height * mData.mCbCrSize.width * 2;
-  uint8_t* buffer = new uint8_t[bufferLength];
+  auto *buffer = new uint8_t[bufferLength];
 
   Data aData = mData;
   aData.mCbCrStride = aData.mCbCrSize.width;

gfx/thebes/gfxPlatform.cpp

@@ -1162,7 +1162,7 @@ gfxPlatform::GetSourceSurfaceForSurface(DrawTarget *aTarget,
   }
 
   // Add user data to aSurface so we can cache lookups in the future.
-  SourceSurfaceUserData *srcSurfUD = new SourceSurfaceUserData;
+  auto *srcSurfUD = new SourceSurfaceUserData;
   srcSurfUD->mBackendType = aTarget->GetBackendType();
   srcSurfUD->mSrcSurface = srcBuffer;
   aSurface->SetData(&kSourceSurface, srcSurfUD, SourceBufferDestroy);
@@ -1189,7 +1189,7 @@ gfxPlatform::GetWrappedDataSourceSurface(gfxASurface* aSurface)
 
   // If we wrapped the underlying data of aSurface, then we need to add user data
   // to make sure aSurface stays alive until we are done with the data.
-  DependentSourceSurfaceUserData *srcSurfUD = new DependentSourceSurfaceUserData;
+  auto *srcSurfUD = new DependentSourceSurfaceUserData;
   srcSurfUD->mSurface = aSurface;
   result->AddUserData(&kThebesSurface, srcSurfUD, SourceSurfaceDestroyed);