Move WebCache memory dump provider to blink for sub-allocation edges.

third_party/WebKit/Source/platform/graphics/BitmapImage.cpp

Index: third_party/WebKit/Source/platform/graphics/BitmapImage.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/BitmapImage.cpp b/third_party/WebKit/Source/platform/graphics/BitmapImage.cpp
index e324ae2238771132d93295642084fe0955851313..f8394ec4fb237955bd58f75caea997f897af2f24 100644
--- a/third_party/WebKit/Source/platform/graphics/BitmapImage.cpp
+++ b/third_party/WebKit/Source/platform/graphics/BitmapImage.cpp
@@ -35,6 +35,7 @@
 #include "platform/graphics/ImageObserver.h"
 #include "platform/graphics/StaticBitmapImage.h"
 #include "platform/graphics/skia/SkiaUtils.h"
+#include "public/platform/WebProcessMemoryDump.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/text/WTFString.h"
@@ -70,6 +71,7 @@ BitmapImage::BitmapImage(ImageObserver* observer)
     , m_hasUniformFrameSize(true)
     , m_haveFrameCount(false)
 {
+    Platform::current()->registerMemoryDumpProvider(this);
 }
 
 BitmapImage::BitmapImage(const SkBitmap& bitmap, ImageObserver* observer)
@@ -95,10 +97,12 @@ BitmapImage::BitmapImage(const SkBitmap& bitmap, ImageObserver* observer)
     m_frames[0].m_hasAlpha = !bitmap.isOpaque();
     m_frames[0].m_frame = adoptRef(SkImage::NewFromBitmap(bitmap));
     m_frames[0].m_haveMetadata = true;
+    Platform::current()->registerMemoryDumpProvider(this);
 }
 
 BitmapImage::~BitmapImage()
 {
+    Platform::current()->unregisterMemoryDumpProvider(this);
     stopAnimation();
 }
 
@@ -456,6 +460,18 @@ ImageOrientation BitmapImage::currentFrameOrientation()
     return frameOrientationAtIndex(currentFrame());
 }
 
+bool BitmapImage::onMemoryDump(WebMemoryDumpLevelOfDetail levelOfDetail, WebProcessMemoryDump* memoryDump)
+{
+    String prefix("web_cache/images/decoded/");
+    SkTraceMemoryDump* dump = memoryDump->CreateSkiaTraceMemoryDump(prefix);
+    ASSERT(dump);
+    for (size_t i = 0; i < m_frames.size(); ++i) {
+        if (m_frames[i].m_frame)
+            m_frames[i].m_frame->dumpMemoryStatistics(dump);
+    }
+    return true;
+}
+
 ImageOrientation BitmapImage::frameOrientationAtIndex(size_t index)
 {
     if (m_frames.size() <= index)