Fixed some warnings.

Review URL: http://codereview.chromium.org/231027

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@27159 0039d316-1c4b-4281-b951-d872f2087c98

o3d/command_buffer/service/cross/gl/effect_gl.cc

@@ -218,7 +218,7 @@ bool EffectParamGL::SetData(GAPIGL *gapi,
       break;
     }
     case effect_param::SAMPLER: {
-      DCHECK_GE(low_level_param.sampler_ids.size(), 1);
+      DCHECK_GE(low_level_param.sampler_ids.size(), 1U);
       low_level_param.sampler_ids[0] = *static_cast<const ResourceID *>(data);
       if (effect_ == gapi->current_effect()) {
         gapi->DirtyEffect();
@@ -445,7 +445,7 @@ void EffectGL::AddLowLevelParams(CGprogram prog, CGenum name_space, bool vp) {
     int num_elements;
     if (cg_type == CG_ARRAY) {
       num_elements = cgGetArraySize(cg_param, 0);
-      // Substitute the first element's type for our type.	
+      // Substitute the first element's type for our type.
       cg_type = cgGetParameterType(cgGetArrayParameter(cg_param, 0));
     } else {
       num_elements = 0;

o3d/command_buffer/service/cross/gl/geometry_gl.cc

@@ -242,10 +242,10 @@ inline unsigned int GetAttribIndex(vertex_struct::Semantic semantic,
       DCHECK_EQ(semantic_index, 0);
       return 2;
     case vertex_struct::COLOR:
-      DCHECK_LT(semantic_index, 2);
+      DCHECK_LT(semantic_index, 2U);
       return 3 + semantic_index;
     case vertex_struct::TEX_COORD:
-      DCHECK_LT(semantic_index, 8);
+      DCHECK_LT(semantic_index, 8U);
       return 8 + semantic_index;
     default:
       DLOG(FATAL) << "Not reached.";

o3d/command_buffer/service/cross/gl/sampler_gl.cc

@@ -157,7 +157,7 @@ void SamplerGL::SetStates(sampler::AddressingMode addressing_u,
   // These are validated in GAPIDecoder.cc
   DCHECK_NE(mag_filter, sampler::NONE);
   DCHECK_NE(min_filter, sampler::NONE);
-  DCHECK_GT(max_anisotropy, 0);
+  DCHECK_GT(max_anisotropy, 0U);
   gl_wrap_s_ = GLAddressMode(addressing_u);
   gl_wrap_t_ = GLAddressMode(addressing_v);
   gl_wrap_r_ = GLAddressMode(addressing_w);

o3d/command_buffer/service/cross/gl/texture_gl.cc

@@ -209,9 +209,9 @@ Texture2DGL *Texture2DGL::Create(unsigned int width,
                                  texture::Format format,
                                  unsigned int flags,
                                  bool enable_render_surfaces) {
-  DCHECK_GT(width, 0);
-  DCHECK_GT(height, 0);
-  DCHECK_GT(levels, 0);
+  DCHECK_GT(width, 0U);
+  DCHECK_GT(height, 0U);
+  DCHECK_GT(levels, 0U);
   GLenum gl_internal_format = 0;
   GLenum gl_format = 0;
   GLenum gl_type = 0;
@@ -347,10 +347,10 @@ Texture3DGL *Texture3DGL::Create(unsigned int width,
                                  texture::Format format,
                                  unsigned int flags,
                                  bool enable_render_surfaces) {
-  DCHECK_GT(width, 0);
-  DCHECK_GT(height, 0);
-  DCHECK_GT(depth, 0);
-  DCHECK_GT(levels, 0);
+  DCHECK_GT(width, 0U);
+  DCHECK_GT(height, 0U);
+  DCHECK_GT(depth, 0U);
+  DCHECK_GT(levels, 0U);
   GLenum gl_internal_format = 0;
   GLenum gl_format = 0;
   GLenum gl_type = 0;
@@ -474,8 +474,8 @@ TextureCubeGL *TextureCubeGL::Create(unsigned int side,
                                      texture::Format format,
                                      unsigned int flags,
                                      bool enable_render_surfaces) {
-  DCHECK_GT(side, 0);
-  DCHECK_GT(levels, 0);
+  DCHECK_GT(side, 0U);
+  DCHECK_GT(levels, 0U);
   GLenum gl_internal_format = 0;
   GLenum gl_format = 0;
   GLenum gl_type = 0;