Initialize arrays before use.

cc/output/program_binding.cc

 // Copyright 2011 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/output/program_binding.h"
 
 #include "base/trace_event/trace_event.h"
 #include "cc/output/geometry_binding.h"
 #include "gpu/GLES2/gl2extchromium.h"
 #include "gpu/command_buffer/client/gles2_interface.h"
@@ skipping 39 matching lines @@
 
 bool ProgramBindingBase::Link(GLES2Interface* context) {
   context->LinkProgram(program_);
   CleanupShaders(context);
   if (!program_)
     return false;
 #ifndef NDEBUG
   int linked = 0;
   context->GetProgramiv(program_, GL_LINK_STATUS, &linked);
   if (!linked) {
-    char buffer[1024];
+    char buffer[1024] = "";
     context->GetProgramInfoLog(program_, sizeof(buffer), nullptr, buffer);
     DLOG(ERROR) << "Error compiling shader: " << buffer;
     return false;
   }
 #endif
   return true;
 }
 
 void ProgramBindingBase::Cleanup(GLES2Interface* context) {
   initialized_ = false;
@@ skipping 18 matching lines @@
   int shader_length[] = { static_cast<int>(shader_source.length()) };
   context->ShaderSource(
       shader, 1,
       shader_source_str,
       shader_length);
   context->CompileShader(shader);
 #if DCHECK_IS_ON()
   int compiled = 0;
   context->GetShaderiv(shader, GL_COMPILE_STATUS, &compiled);
   if (!compiled) {
-    char buffer[1024];
+    char buffer[1024] = "";
     context->GetShaderInfoLog(shader, sizeof(buffer), nullptr, buffer);
     DLOG(ERROR) << "Error compiling shader: " << buffer
                 << "\n shader program: " << shader_source;
     return 0u;
   }
 #endif
   return shader;
 }
 
 unsigned ProgramBindingBase::CreateShaderProgram(GLES2Interface* context,
@@ skipping 27 matching lines @@
     context->DeleteShader(fragment_shader_id_);
     fragment_shader_id_ = 0;
   }
 }
 
 bool ProgramBindingBase::IsContextLost(GLES2Interface* context) {
   return context->GetGraphicsResetStatusKHR() != GL_NO_ERROR;
 }
 
 }  // namespace cc