aw: Use comparison DCHECKs where appropriate

android_webview/browser/browser_view_renderer.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 "android_webview/browser/browser_view_renderer.h"
 
 #include "android_webview/browser/browser_view_renderer_client.h"
 #include "android_webview/browser/shared_renderer_state.h"
 #include "android_webview/public/browser/draw_gl.h"
 #include "base/android/jni_android.h"
@@ skipping 471 matching lines @@
                        TRACE_EVENT_SCOPE_THREAD,
                        "invalidate",
                        invalidate);
   compositor_needs_continuous_invalidate_ = invalidate;
 
   EnsureContinuousInvalidation(false);
 }
 
 void BrowserViewRenderer::SetDipScale(float dip_scale) {
   dip_scale_ = dip_scale;
-  CHECK(dip_scale_ > 0);
+  CHECK_GT(dip_scale_, 0);
 }
 
 gfx::Vector2d BrowserViewRenderer::max_scroll_offset() const {
   DCHECK_GT(dip_scale_, 0);
   return gfx::ToCeiledVector2d(gfx::ScaleVector2d(
       max_scroll_offset_dip_, dip_scale_ * page_scale_factor_));
 }
 
 void BrowserViewRenderer::ScrollTo(gfx::Vector2d scroll_offset) {
   gfx::Vector2d max_offset = max_scroll_offset();
@@ skipping 58 matching lines @@
   if (max_scroll_offset_dip_.x()) {
     scroll_offset.set_x((scroll_offset_dip.x() * max_offset.x()) /
                         max_scroll_offset_dip_.x());
   }
 
   if (max_scroll_offset_dip_.y()) {
     scroll_offset.set_y((scroll_offset_dip.y() * max_offset.y()) /
                         max_scroll_offset_dip_.y());
   }
 
-  DCHECK(0 <= scroll_offset.x());
-  DCHECK(0 <= scroll_offset.y());
-  DCHECK(scroll_offset.x() <= max_offset.x());
-  DCHECK(scroll_offset.y() <= max_offset.y());
+  DCHECK_LE(0, scroll_offset.x());
+  DCHECK_LE(0, scroll_offset.y());
+  DCHECK_LE(scroll_offset.x(), max_offset.x());
+  DCHECK_LE(scroll_offset.y(), max_offset.y());
 
   client_->ScrollContainerViewTo(scroll_offset);
 }
 
 gfx::Vector2dF BrowserViewRenderer::GetTotalRootLayerScrollOffset() {
   return scroll_offset_dip_;
 }
 
 bool BrowserViewRenderer::IsExternalFlingActive() const {
   return client_->IsFlingActive();
@@ skipping 174 matching lines @@
     base::StringAppendF(&str,
                         "surface width height: [%d %d] ",
                         draw_info->width,
                         draw_info->height);
     base::StringAppendF(&str, "is_layer: %d ", draw_info->is_layer);
   }
   return str;
 }
 
 }  // namespace android_webview