-Wuninitialized fixes

chrome/common/gpu_messages.cc

 // Copyright (c) 2010 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 "base/string_piece.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/common/gpu_create_command_buffer_config.h"
 #include "chrome/common/gpu_info.h"
 #include "chrome/common/dx_diag_node.h"
 #include "gfx/rect.h"
@@ skipping 131 matching lines @@
   WriteParam(m, p.gl_renderer());
   WriteParam(m, p.gl_extensions());
   WriteParam(m, p.can_lose_context());
 
 #if defined(OS_WIN)
   ParamTraits<DxDiagNode> ::Write(m, p.dx_diagnostics());
 #endif
 }
 
 bool ParamTraits<GPUInfo> ::Read(const Message* m, void** iter, param_type* p) {
-  int32 level;
+  int32 level = 0;  // clang pr9122
   base::TimeDelta initialization_time;
-  uint32 vendor_id;
-  uint32 device_id;
+  uint32 vendor_id = 0;  // clang pr9122
+  uint32 device_id = 0;  // clang pr9122
   std::string driver_vendor;
   std::string driver_version;
-  uint32 pixel_shader_version;
-  uint32 vertex_shader_version;
-  uint32 gl_version;
+  uint32 pixel_shader_version = 0;  // clang pr9122
+  uint32 vertex_shader_version = 0;  // clang pr9122
+  uint32 gl_version = 0;  // clang pr9122
   std::string gl_version_string;
   std::string gl_vendor;
   std::string gl_renderer;
   std::string gl_extensions;
-  bool can_lose_context;
+  bool can_lose_context = false;  // clang pr9122
   bool ret = ReadParam(m, iter, &level);
   ret = ret && ReadParam(m, iter, &initialization_time);
   ret = ret && ReadParam(m, iter, &vendor_id);
   ret = ret && ReadParam(m, iter, &device_id);
   ret = ret && ReadParam(m, iter, &driver_vendor);
   ret = ret && ReadParam(m, iter, &driver_version);
   ret = ret && ReadParam(m, iter, &pixel_shader_version);
   ret = ret && ReadParam(m, iter, &vertex_shader_version);
   ret = ret && ReadParam(m, iter, &gl_version);
   ret = ret && ReadParam(m, iter, &gl_version_string);
@@ skipping 91 matching lines @@
   }
   return true;
 }
 
 void ParamTraits<GPUCreateCommandBufferConfig> ::Log(
     const param_type& p, std::string* l) {
   l->append("<GPUCreateCommandBufferConfig>");
 }
 
 }  // namespace IPC