Restore only modified texture state during virtual context switches

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 87c93350415a7be4fe565b7c817e0e76baffe4d3..a8c91817873e2d59f0a2333fd89d600de3143011 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder.h
+++ b/gpu/command_buffer/service/gles2_cmd_decoder.h
@@ -20,6 +20,7 @@
 #include "ui/gl/gl_context.h"
 
 namespace gfx {
+class DirtyTextureState;
 class GLContext;
 class GLSurface;
 }
@@ -140,7 +141,8 @@ class GPU_EXPORT GLES2Decoder : public base::SupportsWeakPtr<GLES2Decoder>,
   virtual Capabilities GetCapabilities() = 0;
 
   // Restores all of the decoder GL state.
-  virtual void RestoreState() const = 0;
+  virtual void RestoreState(
+      const gfx::DirtyTextureState* dirty_texture_state) const = 0;
 
   // Restore States.
   virtual void RestoreActiveTexture() const = 0;
@@ -241,4 +243,5 @@ class GPU_EXPORT GLES2Decoder : public base::SupportsWeakPtr<GLES2Decoder>,
 
 }  // namespace gles2
 }  // namespace gpu
+
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_H_