tryAllocPixels returns bool, allocPixels requires success

skia/ext/bitmap_platform_device_mac.cc

Index: skia/ext/bitmap_platform_device_mac.cc
diff --git a/skia/ext/bitmap_platform_device_mac.cc b/skia/ext/bitmap_platform_device_mac.cc
index 8cd492059a779b6f3d8d76f9a25f0801b919e2c9..5204468bce952e2ac6262ae60848b53eadcfbcf5 100644
--- a/skia/ext/bitmap_platform_device_mac.cc
+++ b/skia/ext/bitmap_platform_device_mac.cc
@@ -110,7 +110,7 @@ BitmapPlatformDevice* BitmapPlatformDevice::Create(CGContextRef context,
     data = CGBitmapContextGetData(context);
     bitmap.setPixels(data);
   } else {
-    if (!bitmap.allocPixels())
+    if (!bitmap.tryAllocPixels())
       return NULL;
     data = bitmap.getPixels();
   }
@@ -271,7 +271,7 @@ bool PlatformBitmap::Allocate(int width, int height, bool is_opaque) {
   if (RasterDeviceTooBigToAllocate(width, height))
     return false;
     
-  if (!bitmap_.allocN32Pixels(width, height, is_opaque))
+  if (!bitmap_.tryAllocN32Pixels(width, height, is_opaque))
     return false;
 
   if (!is_opaque)