cc: refcount resources as we send them to the parent

cc/resources/resource_provider.h

Index: cc/resources/resource_provider.h
diff --git a/cc/resources/resource_provider.h b/cc/resources/resource_provider.h
index b5dccc8f046a71c6a2a33906d745d37727b05ca6..9484cea0b6752572f73c57d70386eb2750090c85 100644
--- a/cc/resources/resource_provider.h
+++ b/cc/resources/resource_provider.h
@@ -354,9 +354,10 @@ class CC_EXPORT ResourceProvider {
     uint8_t* pixels;
     uint8_t* pixel_buffer;
     int lock_for_read_count;
+    unsigned imported_count;

[danakj, 2013/08/15 21:30:53]

use int here.

http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml#Integer_Types

[piman, 2013/08/16 04:29:55]

Disagree, but done.

+    unsigned exported_count;
     bool locked_for_write;
     bool external;
-    bool exported;
     bool marked_for_deletion;
     bool pending_set_pixels;
     bool set_pixels_completion_forced;
@@ -399,7 +400,7 @@ class CC_EXPORT ResourceProvider {
   static void PopulateSkBitmapWithResource(SkBitmap* sk_bitmap,
                                            const Resource* resource);
 
-  bool TransferResource(WebKit::WebGraphicsContext3D* context,
+  void TransferResource(WebKit::WebGraphicsContext3D* context,
                         ResourceId id,
                         TransferableResource* resource);
   enum DeleteStyle {