cc: Remove implicit conversions from Rect to RectF in src/cc/.

cc/output/software_renderer.cc

Index: cc/output/software_renderer.cc
diff --git a/cc/output/software_renderer.cc b/cc/output/software_renderer.cc
index ce4fc828fae33c925e0ef1e99b8fa1fb91bfc506..b9b46eb61234e1c020731641aeb847a09f8642c6 100644
--- a/cc/output/software_renderer.cc
+++ b/cc/output/software_renderer.cc
@@ -102,8 +102,7 @@ const RendererCapabilitiesImpl& SoftwareRenderer::Capabilities() const {
 
 void SoftwareRenderer::BeginDrawingFrame(DrawingFrame* frame) {
   TRACE_EVENT0("cc", "SoftwareRenderer::BeginDrawingFrame");
-  root_canvas_ = output_device_->BeginPaint(
-      gfx::ToEnclosingRect(frame->root_damage_rect));
+  root_canvas_ = output_device_->BeginPaint(frame->root_damage_rect);
 }
 
 void SoftwareRenderer::FinishDrawingFrame(DrawingFrame* frame) {
@@ -254,7 +253,7 @@ void SoftwareRenderer::DoDrawQuad(DrawingFrame* frame,
   gfx::Transform quad_rect_matrix;
   QuadRectTransform(&quad_rect_matrix,
                     quad->shared_quad_state->quad_to_target_transform,
-                    quad->rect);
+                    gfx::RectF(quad->rect));
   gfx::Transform contents_device_transform =
       frame->window_matrix * frame->projection_matrix * quad_rect_matrix;
   contents_device_transform.FlattenTo2d();
@@ -396,7 +395,7 @@ void SoftwareRenderer::DrawPictureQuad(const DrawingFrame* frame,
 void SoftwareRenderer::DrawSolidColorQuad(const DrawingFrame* frame,
                                           const SolidColorDrawQuad* quad) {
   gfx::RectF visible_quad_vertex_rect = MathUtil::ScaleRectProportional(
-      QuadVertexRect(), quad->rect, quad->visible_rect);
+      QuadVertexRect(), gfx::RectF(quad->rect), gfx::RectF(quad->visible_rect));
   current_paint_.setColor(quad->color);
   current_paint_.setAlpha(quad->shared_quad_state->opacity *
                           SkColorGetA(quad->color));
@@ -421,11 +420,11 @@ void SoftwareRenderer::DrawTextureQuad(const DrawingFrame* frame,
                                                         quad->uv_bottom_right),
                                       bitmap->width(),
                                       bitmap->height());
-  gfx::RectF visible_uv_rect =
-      MathUtil::ScaleRectProportional(uv_rect, quad->rect, quad->visible_rect);
+  gfx::RectF visible_uv_rect = MathUtil::ScaleRectProportional(
+      uv_rect, gfx::RectF(quad->rect), gfx::RectF(quad->visible_rect));
   SkRect sk_uv_rect = gfx::RectFToSkRect(visible_uv_rect);
   gfx::RectF visible_quad_vertex_rect = MathUtil::ScaleRectProportional(
-      QuadVertexRect(), quad->rect, quad->visible_rect);
+      QuadVertexRect(), gfx::RectF(quad->rect), gfx::RectF(quad->visible_rect));
   SkRect quad_rect = gfx::RectFToSkRect(visible_quad_vertex_rect);
 
   if (quad->y_flipped)
@@ -478,9 +477,10 @@ void SoftwareRenderer::DrawTileQuad(const DrawingFrame* frame,
   DCHECK_EQ(GL_CLAMP_TO_EDGE, lock.wrap_mode());
 
   gfx::RectF visible_tex_coord_rect = MathUtil::ScaleRectProportional(
-      quad->tex_coord_rect, quad->rect, quad->visible_rect);
+      quad->tex_coord_rect, gfx::RectF(quad->rect),
+      gfx::RectF(quad->visible_rect));
   gfx::RectF visible_quad_vertex_rect = MathUtil::ScaleRectProportional(
-      QuadVertexRect(), quad->rect, quad->visible_rect);
+      QuadVertexRect(), gfx::RectF(quad->rect), gfx::RectF(quad->visible_rect));
 
   SkRect uv_rect = gfx::RectFToSkRect(visible_tex_coord_rect);
   current_paint_.setFilterQuality(
@@ -505,8 +505,9 @@ void SoftwareRenderer::DrawRenderPassQuad(const DrawingFrame* frame,
   SkShader::TileMode content_tile_mode = WrapModeToTileMode(lock.wrap_mode());
 
   SkRect dest_rect = gfx::RectFToSkRect(QuadVertexRect());
-  SkRect dest_visible_rect = gfx::RectFToSkRect(MathUtil::ScaleRectProportional(
-      QuadVertexRect(), quad->rect, quad->visible_rect));
+  SkRect dest_visible_rect = gfx::RectFToSkRect(
+      MathUtil::ScaleRectProportional(QuadVertexRect(), gfx::RectF(quad->rect),
+                                      gfx::RectF(quad->visible_rect)));
   SkRect content_rect = SkRect::MakeWH(quad->rect.width(), quad->rect.height());
 
   SkMatrix content_mat;
@@ -708,7 +709,7 @@ skia::RefPtr<SkShader> SoftwareRenderer::GetBackgroundFilterShader(
   gfx::Transform quad_rect_matrix;
   QuadRectTransform(&quad_rect_matrix,
                     quad->shared_quad_state->quad_to_target_transform,
-                    quad->rect);
+                    gfx::RectF(quad->rect));
   gfx::Transform contents_device_transform =
       frame->window_matrix * frame->projection_matrix * quad_rect_matrix;
   contents_device_transform.FlattenTo2d();