Adds support for capturing a sub rect of the compositing surface.

content/browser/android/content_view_core_impl.cc

Index: content/browser/android/content_view_core_impl.cc
diff --git a/content/browser/android/content_view_core_impl.cc b/content/browser/android/content_view_core_impl.cc
index 357d2a9b585851b3f9fff9c2c1a894d59d3e1824..ecc627f95b4903fc4f5c799a51c5fe5b5769640d 100644
--- a/content/browser/android/content_view_core_impl.cc
+++ b/content/browser/android/content_view_core_impl.cc
@@ -699,6 +699,7 @@ void ContentViewCoreImpl::ShowPastePopup(int x_dip, int y_dip) {
 void ContentViewCoreImpl::GetScaledContentBitmap(
     float scale,
     jobject jbitmap_config,
+    gfx::Rect src_subrect,
     const base::Callback<void(bool, const SkBitmap&)>& result_callback) {
   RenderWidgetHostViewAndroid* view = GetRenderWidgetHostViewAndroid();
   if (!view) {
@@ -706,7 +707,8 @@ void ContentViewCoreImpl::GetScaledContentBitmap(
     return;
   }
   SkBitmap::Config skbitmap_format = gfx::ConvertToSkiaConfig(jbitmap_config);
-  view->GetScaledContentBitmap(scale, skbitmap_format, result_callback);
+  view->GetScaledContentBitmap(scale, skbitmap_format, src_subrect,
+      result_callback);
 }
 
 void ContentViewCoreImpl::StartContentIntent(const GURL& content_url) {
@@ -1460,16 +1462,6 @@ jboolean ContentViewCoreImpl::OnAnimate(JNIEnv* env, jobject /* obj */,
   return view->Animate(base::TimeTicks::FromInternalValue(frame_time_micros));
 }
 
-jboolean ContentViewCoreImpl::PopulateBitmapFromCompositor(JNIEnv* env,
-                                                           jobject obj,
-                                                           jobject jbitmap) {
-  RenderWidgetHostViewAndroid* view = GetRenderWidgetHostViewAndroid();
-  if (!view)
-    return false;
-
-  return view->PopulateBitmapWithContents(jbitmap);
-}
-
 void ContentViewCoreImpl::WasResized(JNIEnv* env, jobject obj) {
   RenderWidgetHostViewAndroid* view = GetRenderWidgetHostViewAndroid();
   if (view)