Fixes for re-enabling more MSVC level 4 warnings: content/ edition

content/common/gpu/client/command_buffer_proxy_impl.cc

 // Copyright (c) 2012 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 "content/common/gpu/client/command_buffer_proxy_impl.h"
 
 #include "base/callback.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/memory/shared_memory.h"
@@ skipping 129 matching lines @@
   shared_state()->Initialize();
 
   // This handle is owned by the GPU process and must be passed to it or it
   // will leak. In otherwords, do not early out on error between here and the
   // sending of the Initialize IPC below.
   base::SharedMemoryHandle handle =
       channel_->ShareToGpuProcess(shared_state_shm_->handle());
   if (!base::SharedMemory::IsHandleValid(handle))
     return false;
 
-  bool result;
+  bool result = false;
   if (!Send(new GpuCommandBufferMsg_Initialize(
       route_id_, handle, &result, &capabilities_))) {
     LOG(ERROR) << "Could not send GpuCommandBufferMsg_Initialize.";
     return false;
   }
 
   if (!result) {
     LOG(ERROR) << "Failed to initialize command buffer service.";
     return false;
   }
@@ skipping 209 matching lines @@
   }
 
   echo_tasks_.push(callback);
 }
 
 uint32 CommandBufferProxyImpl::CreateStreamTexture(uint32 texture_id) {
   if (last_state_.error != gpu::error::kNoError)
     return 0;
 
   int32 stream_id = channel_->GenerateRouteID();
-  bool succeeded;
+  bool succeeded = false;
   Send(new GpuCommandBufferMsg_CreateStreamTexture(
       route_id_, texture_id, stream_id, &succeeded));
   if (!succeeded) {
     DLOG(ERROR) << "GpuCommandBufferMsg_CreateStreamTexture returned failure";
     return 0;
   }
   return stream_id;
 }
 
 uint32 CommandBufferProxyImpl::InsertSyncPoint() {
@@ skipping 133 matching lines @@
   if (last_state_.error == gpu::error::kNoError)
     shared_state()->Read(&last_state_);
 }
 
 gpu::CommandBufferSharedState* CommandBufferProxyImpl::shared_state() const {
   return reinterpret_cast<gpu::CommandBufferSharedState*>(
       shared_state_shm_->memory());
 }
 
 }  // namespace content