[Merge to 2743] Revert "[Reland 2] Pepper takes ownership of a mailbox before passing it to the tex…

gpu/command_buffer/service/gles2_cmd_decoder.h

Index: gpu/command_buffer/service/gles2_cmd_decoder.h
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder.h b/gpu/command_buffer/service/gles2_cmd_decoder.h
index 93d6095b71dfd4fe4e9a9ac10450389c41d5c0bd..b038c24f921a133279156dfa39a0bd2ee0a09062 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder.h
+++ b/gpu/command_buffer/service/gles2_cmd_decoder.h
@@ -163,8 +163,7 @@ class GPU_EXPORT GLES2Decoder : public base::SupportsWeakPtr<GLES2Decoder>,
   // The decoder should not be used until a new surface is set.
   virtual void ReleaseSurface() = 0;
 
-  virtual void TakeFrontBuffer(const Mailbox& mailbox) = 0;
-  virtual void ReturnFrontBuffer(const Mailbox& mailbox, bool is_lost) = 0;
+  virtual void ProduceFrontBuffer(const Mailbox& mailbox) = 0;
 
   // Resize an offscreen frame buffer.
   virtual bool ResizeOffscreenFrameBuffer(const gfx::Size& size) = 0;
@@ -206,8 +205,6 @@ class GPU_EXPORT GLES2Decoder : public base::SupportsWeakPtr<GLES2Decoder>,
   virtual void SetIgnoreCachedStateForTest(bool ignore) = 0;
   virtual void SetForceShaderNameHashingForTest(bool force) = 0;
   virtual uint32_t GetAndClearBackbufferClearBitsForTest();
-  virtual size_t GetSavedBackTextureCountForTest() = 0;
-  virtual size_t GetCreatedBackTextureCountForTest() = 0;
 
   // Gets the QueryManager for this context.
   virtual QueryManager* GetQueryManager() = 0;