command_buffer: Batch command processing to reduce handler overheads.

gpu/command_buffer/service/mocks.h

Index: gpu/command_buffer/service/mocks.h
diff --git a/gpu/command_buffer/service/mocks.h b/gpu/command_buffer/service/mocks.h
index 6cdeb09982aa4fd81361b64ecd01636f799688e3..d32c031e47d4db20601b3a16d14728bbce55ad48 100644
--- a/gpu/command_buffer/service/mocks.h
+++ b/gpu/command_buffer/service/mocks.h
@@ -26,9 +26,14 @@ namespace gpu {
 // Mocks an AsyncAPIInterface, using GMock.
 class AsyncAPIMock : public AsyncAPIInterface {
  public:
-  AsyncAPIMock();
+  explicit AsyncAPIMock(bool default_do_commands);
   virtual ~AsyncAPIMock();
 
+  error::Error FakeDoCommands(unsigned int num_commands,
+                              const void* buffer,
+                              int num_entries,
+                              int* entries_processed);
+
   // Predicate that matches args passed to DoCommand, by looking at the values.
   class IsArgs {
    public:
@@ -56,6 +61,12 @@ class AsyncAPIMock : public AsyncAPIInterface {
       unsigned int arg_count,
       const void* cmd_data));
 
+  MOCK_METHOD4(DoCommands,
+               error::Error(unsigned int num_commands,
+                            const void* buffer,
+                            int num_entries,
+                            int* entries_processed));
+
   const char* GetCommandName(unsigned int command_id) const {
     return "";
   };