Added Pepper 3D render context that instantiates the GPU plugin....

gpu/command_buffer/service/common_decoder_unittest.cc

Index: gpu/command_buffer/service/common_decoder_unittest.cc
===================================================================
--- gpu/command_buffer/service/common_decoder_unittest.cc	(revision 35153)
+++ gpu/command_buffer/service/common_decoder_unittest.cc	(working copy)
@@ -78,15 +78,15 @@
   }
 
   // Overridden from CommandBufferEngine.
-  virtual void* GetSharedMemoryAddress(int32 shm_id) {
-    return (shm_id == kValidShmId) ? buffer_ : NULL;
+  virtual Buffer GetSharedMemoryBuffer(int32 shm_id) {
+    Buffer buffer;
+    if (shm_id == kValidShmId) {
+      buffer.ptr = buffer_;
+      buffer.size = kBufferSize;
+    }
+    return buffer;
   }
 
-  // Overridden from CommandBufferEngine.
-  virtual size_t GetSharedMemorySize(int32 shm_id) {
-    return (shm_id == kValidShmId) ? kBufferSize : 0;
-  }
-
   template <typename T>
   T GetSharedMemoryAs(uint32 offset) {
     DCHECK(offset < kBufferSize);