Add multi-planar functions to GpuMemoryBuffer

cc/resources/one_copy_tile_task_worker_pool.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/resources/one_copy_tile_task_worker_pool.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "base/strings/stringprintf.h"
@@ skipping 303 matching lines @@
   ++scheduled_copy_operation_count_;
 
   // There may be more work available, so wake up another worker thread.
   copy_operation_count_cv_.Signal();
 
   {
     base::AutoUnlock unlock(lock_);
 
     gfx::GpuMemoryBuffer* gpu_memory_buffer = write_lock->GetGpuMemoryBuffer();
     if (gpu_memory_buffer) {
-      TileTaskWorkerPool::PlaybackToMemory(
-          gpu_memory_buffer->Map(), src->format(), src->size(),
-          gpu_memory_buffer->GetStride(), raster_source, rect, scale);
+      void* data = NULL;
+      bool rv = gpu_memory_buffer->Map(&data);
+      DCHECK(rv);
+      uint32 stride;
+      gpu_memory_buffer->GetStride(&stride);
+      TileTaskWorkerPool::PlaybackToMemory(data, src->format(), src->size(),
+                                           stride, raster_source, rect, scale);
       gpu_memory_buffer->Unmap();
     }
   }
 
   pending_copy_operations_.push_back(
       make_scoped_ptr(new CopyOperation(write_lock.Pass(), src.Pass(), dst)));
 
   // Acquire a sequence number for this copy operation.
   CopySequenceNumber sequence = next_copy_operation_sequence_++;
 
@@ skipping 161 matching lines @@
                             resource_pool_->total_memory_usage_bytes());
   staging_state->SetInteger("pending_copy_count",
                             resource_pool_->total_resource_count() -
                                 resource_pool_->acquired_resource_count());
   staging_state->SetInteger("bytes_pending_copy",
                             resource_pool_->total_memory_usage_bytes() -
                                 resource_pool_->acquired_memory_usage_bytes());
 }
 
 }  // namespace cc